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Formation of a siloxane bond via reactions of chlorosilanes with Zinc Oxide in Aprotic Media

机译:通过氯硅烷与氧化锌的反应形成硅氧烷键,以非质子培养基

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摘要

It was shown that reacts with mono-and diorgano-substituted dhlorosilanes RsICl_3 and R_2SiCl_2 (R=CH_3 or C_6H_5)in aprotic media zinc oxide to afford poly(ogranosiliozanes)through intermediate organometalloslioxane compounds.By arying the conditions of hydrolytic and thermal decomoposition of these compound,one can control the compostion adn structure of final siloxane products.As a resulta completely soluble high-molecular-mass poly(methylosilsesquioxane)with M ~25000 was first synthesized ased on CH_3SiCl_3.The effect of experimental conditions on the composition and molecular mass characteristics of poly(organosiloxanes)was studied usign GLC,GPC,and ~1H (~29Si)NMR spectroscopy.
机译:结果表明,用无精介质氧化锌的单醇和二元取代的二氯硅烷RSICl_3和R_2SICL_2(R = CH_3或C_6H_5)反应,得到聚(Ogranosiliozanes),通过中间体有机化金属化合物化合物。由其粘附的水解和热解码条件 化合物,一种可以控制最终硅氧烷产物的亚本族结构。首先在CH_3SICL_3上合成具有M〜25000的结果完全可溶的高分子质量聚(甲基硅基硅氧烷)。实验条件对组合物和分子量的影响 研究了聚(有机硅氧烷)的特性,研究了USIGN GLC,GPC和〜1H(〜29Si)NMR光谱。

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    Nesmeyanov Institute of Organolement Compounds Russian Academy of Sciences ul.Vavilova 28 Moscow 119991 Russia;

    Nesmeyanov Institute of Organolement Compounds Russian Academy of Sciences ul.Vavilova 28 Moscow 119991 Russia;

    Nesmeyanov Institute of Organolement Compounds Russian Academy of Sciences ul.Vavilova 28 Moscow 119991 Russia;

    Nesmeyanov Institute of Organolement Compounds Russian Academy of Sciences ul.Vavilova 28 Moscow 119991 Russia;

    Nesmeyanov Institute of Organolement Compounds Russian Academy of Sciences ul.Vavilova 28 Moscow 119991 Russia;

    Nesmeyanov Institute of Organolement Compounds Russian Academy of Sciences ul.Vavilova 28 Moscow 119991 Russia;

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  • 正文语种 rus
  • 中图分类 高分子化学(高聚物);
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